Between iWork, Quickoffice and numerous other options, theres no shortage of productivity apps for the iPad, but for many theres no substitute for therealOffice. And it looks like Microsoft fans will get their wish come March 27, when the companys new CEO is expected to speak at a press conference. Microsoft has invited members of the press to a San Francisco event to discuss the companys mobile first, cloud first strategy, according to a report from The Verge.